40 static int adfs_checkdiscrecord(struct adfs_discrecord *dr)  in adfs_checkdiscrecord()  argument
45 	if (dr->log2secsize != 8 &&  in adfs_checkdiscrecord()
46 	    dr->log2secsize != 9 &&  in adfs_checkdiscrecord()
47 	    dr->log2secsize != 10)  in adfs_checkdiscrecord()
51 	if (dr->idlen < dr->log2secsize + 3)  in adfs_checkdiscrecord()
58 	if (le32_to_cpu(dr->disc_size_high) >> dr->log2secsize)  in adfs_checkdiscrecord()
62 	if (dr->idlen > 19)  in adfs_checkdiscrecord()
66 	for (i = 0; i < sizeof(dr->unused52); i++)  in adfs_checkdiscrecord()
67 		if (dr->unused52[i] != 0)  in adfs_checkdiscrecord()
301 static struct adfs_discmap *adfs_read_map(struct super_block *sb, struct adfs_discrecord *dr)  in adfs_read_map()  argument
309 	zone_size = (8 << dr->log2secsize) - le16_to_cpu(dr->zone_spare);  in adfs_read_map()
338 	dm[i].dm_endbit   = (le32_to_cpu(dr->disc_size_high) << (32 - dr->log2bpmb)) +  in adfs_read_map()
339 			    (le32_to_cpu(dr->disc_size) >> dr->log2bpmb) +  in adfs_read_map()
355 static inline unsigned long adfs_discsize(struct adfs_discrecord *dr, int block_bits)  in adfs_discsize()  argument
359 	discsize  = le32_to_cpu(dr->disc_size_high) << (32 - block_bits);  in adfs_discsize()
360 	discsize |= le32_to_cpu(dr->disc_size) >> block_bits;  in adfs_discsize()
367 	struct adfs_discrecord *dr;  in adfs_fill_super()  local
409 	dr = (struct adfs_discrecord *)(b_data + ADFS_DR_OFFSET);  in adfs_fill_super()
414 	if (adfs_checkdiscrecord(dr)) {  in adfs_fill_super()
423 	if (sb_set_blocksize(sb, 1 << dr->log2secsize)) {  in adfs_fill_super()
437 		dr = (struct adfs_discrecord *)(b_data + ADFS_DR_OFFSET);  in adfs_fill_super()
451 	asb->s_idlen		= dr->idlen;  in adfs_fill_super()
452 	asb->s_map_size		= dr->nzones | (dr->nzones_high << 8);  in adfs_fill_super()
453 	asb->s_map2blk		= dr->log2bpmb - dr->log2secsize;  in adfs_fill_super()
454 	asb->s_size    		= adfs_discsize(dr, sb->s_blocksize_bits);  in adfs_fill_super()
455 	asb->s_version 		= dr->format_version;  in adfs_fill_super()
456 	asb->s_log2sharesize	= dr->log2sharesize;  in adfs_fill_super()
458 	asb->s_map = adfs_read_map(sb, dr);  in adfs_fill_super()
471 	dr = (struct adfs_discrecord *)(asb->s_map[0].dm_bh->b_data + 4);  in adfs_fill_super()
473 	root_obj.parent_id = root_obj.file_id = le32_to_cpu(dr->root);  in adfs_fill_super()
488 		root_obj.size = le32_to_cpu(dr->root_size);  in adfs_fill_super()